Flowserve ZK 313 User Manual
Page 8

8
Explanatory Notes
(continued)
Material
Important
In the installation instructions, standard materials are described. For possible
deviations, please see the parts list supplied.
Body (to choice)
15 Mo 3 (1.5415)
10 CrMo 9 10 (1.7380)
Internals
X 35 CrMo 17 (1.4122)
X 90 CrMoV 18 (1.4112)
X 20 CrMoV 12 1 (1.4922)
Gland packing
Pure graphite
Corrosion Resistance
If the unit is used for the intended purpose, its safety is not impaired by corrosion.
Nominal Sizes
The control valve ZK 313 is delivered with bodies of nominal size DN 25, DN 50, DN 80,
DN 100 and DN 150. Different connection sizes are possible as special versions.
To determine the nominal size, the nominal size of the control valve's connection, which is
stated on the name plate, is definitive.
Connections
The control valve ZK 313 is normally delivered with butt-weld ends. Alternatively if desired,
socket-weld ends or flanges are possible.
Operation
The control valve ZK 313 is suitable for the following actuators:
ZK 313-../11
Version with insert bush F10 of form B1 to DIN ISO 5210 or for attaching
an electric rotary actuator or a handwheel, whichever is desired
ZK 313-../12
Version with insert bush F14 of form B1 to DIN ISO 5210 or for attaching
an electric rotary actuator
ZK 313-../13
Electric linear actuator
ZK 313-../20
Pneumatic diaphragm-actuator
ZK 313-../30
Lever for quarter-turn actuator (next to valve)
ZK 313-../31
Lever prepared for attaching a quarter-turn actuator to the valve
ZK 313-../40
Hydraulic cylinder